In Greek mythology, a maiden who lost to Hippomenes when she paused to pick up three golden apples (8)
I believe the answer is:
atalanta
(Other definitions for atalanta that I've seen before include "Fleet-footed Greek maiden" , "Swinburne wrote - in Calydon" , "Greek huntress defeated in a running race" , "classically fast runner" , "Greek runner" .)